var cacheName = 'jd-jaxa-gps-cache-2022-10-28h'; var filesToCache = [ './', './index.html', './gps.js', './area.json', './gps.css', './img/iimori.png', './img/yuza.png', './img/arrow.png', './data/yuza.geojson', './data/iimoriyama.geojson', './data/koeki.geojson', './data/team-1-2.geojson', './data/team-3-4.geojson', './data/team-5-6.geojson', './data/team-7-8.geojson', './data/team-9-10.geojson' ]; self.addEventListener('install', function(event) { console.log('ServiceWorker installing'); event.waitUntil( caches.open(cacheName).then(function(cache) { console.log('Service Worker caching app shell'); return cache.addAll(filesToCache); }) ); }); self.addEventListener('activate', function(event) { console.log('Service Worker activating'); event.waitUntil( caches.keys().then(function(keyList) { return Promise.all(keyList.map(function(key) { if (key !== cacheName) { console.log('Service Worker removing old cache', key); return caches.delete(key); } })); }) ); return self.clients.claim(); }); self.addEventListener('fetch', function(event) { console.log('Service Worker fetching', event.request.url); event.respondWith( caches.match(event.request).then(function(response) { return response || fetch(event.request); }) ); });